What am I supposed to be afraid of, and whose fault is it? 'Daring Greatly' author Dr. Brene Brown says these have been the central questions in the United States for the past decade. In this exclusive webisode, Dr. Brown and Oprah discuss the many (and sometimes unexpected) faces of fear. Plus, find out why it's possible to be scared and brave at the same time.

In October 2011, 18-year-old Sasha DiGiulian became the first American woman to scale the rock formation known as Pure Imagination in the Red River Gorge of Kentucky. It's considered one of the most difficult climbs in the country and took Sasha three days. As you explore the scenery, listen to the words of President Theodore Roosevelt that inspired the title for Dr. Brene Brown's book 'Daring Greatly.'

In 2007, Dr. Brene Brown was researching and writing about living a wholehearted life when she realized for the first time she wasn't walking the walk. The realization landed her in intensive therapy, where she began to recognize it as a spiritual awakening. In 2010, Dr. Brown shared that experience to 500 people at the TEDx conference. Little did she know that her talk would become an Internet sensation. Watch as Dr. Brown reflects on life after TED and how a marathon of 'Downton Abbey' (complete with a jar of peanut butter) lead her to the inspiration for her new book, 'Daring Greatly.'

Dr. Brene Brown says she was raised, like many others, to believe vulnerability is a weakness. In fact, she says, you can't have true courage unless you open yourself up to vulnerability. Watch to find out why sharing your feelings and having hard conversations is the only way to dare greatly in life.

Dr. Brene Brown started her research on vulnerability, worthiness and shame six months before September 11, 2001, and says our culture has been marked by deep fear since then. That fear, she says, shifted from external events to the fear that we as individuals are simply not enough. Watch to find out why, Dr. Brown says, those two words lead us to shut down emotionally and spiritually.

In her book Daring Greatly, Dr. Brene Brown identifies 10 qualities people living a wholehearted life have in common. Here, she discusses two with Oprah. Watch to find out why Dr. Brown says inauthenticity is contagious and why perfectionism is really another form of fear.

Joy is an emotion so many people seek, but, Dr. Brene Brown says, it's by far the most terrifying feeling we face. Find out why we're so afraid our joy will be taken away. Plus, discover why Dr. Brown says we can't find joy without gratitude.

Watch as best-selling author and regular 'Oprah Show' expert Dr. Robin Smith opens up about the struggles she faced and why she says she was 'emotionally anorexic.'

Dr. Robin Smith says that after a series of devastating setbacks, she was left starving spiritually and emotionally. Watch as Dr. Robin opens up about what she was really hungry for and why even healers need healing once in a while.

In her new book, Hungry, Dr. Robin Smith writes about the important lesson we can all learn from the deaths of Whitney Houston and Michael Jackson. Watch as she reveals what it is and how we can all take a cue from Lionel Richie and move forward in life.